Speaker



FIG. 1 is a front view of the speaker according to the claimed design;

FIG. 2 is a rear view of the speaker according to the claimed design;

FIG. 3 is a left view of the speaker according to the claimed design;

FIG. 4 is a right view of the speaker according to the claimed design;

FIG. 5 is a top view of the speaker according to the claimed design;

FIG. 6 is a bottom view of the speaker according to the claimed design; and,

FIG. 7 is a front, left side perspective view of the speaker according to the claimed design.

The broken line showing on the drawing disclosure is for illustrative purposes only and forms no part of the claimed design. 

We claim the ornamental design for a speaker, as shown and described. 